Fix battery draining so fast

A troublesome bug that causes the drain (discharge at high speed of the battery) of the MI8 is caused by the voice Mobile standby, in fact if you go in the battery settings, you will notice a high% of consumption of the item in question.
This is caused because, by default in the Xiaomi rom (China or global) is also the search for frequencies also Chinese, this involves an intensive use of the network module that continues in a way to find these Chinese frequencies, which of course in our country , just as all EU countries do not exist, leading to greater use of autonomy.

Xiaomi is already aware of the problem and will certainly be resolved, when it is not known.
In the meantime, you can solve the problem by yourself, as follows:

Enter the following USSD code *#*#4636#*#* in the dialer.
Set the LTE / WCDMA mode to both SIMs

In this way, only the European frequencies will be used, eliminating the battery drain.

Reasons why your phone is draining so fast:

1. Screen!

Credit - Mr Phone
The screen has been, and continues to be, the biggest battery hog since modern smartphones came to be. Panels keep getting brighter and more colorful, as well as sporting higher definitions. Though they improve the general experience, all these factors also make smartphone screens more power hungry. The screen could be the main reason why your phone is draining so fast.
How to check battery usage:
  1. Open the Settings app.
  2. Tap on Battery.
  3. Tap on the 3-dot menu button on the top-right corner.
  4. Tap on Battery usage.
  5. Tap on the 3-dot menu button on the top-right corner.
  6. Tap on Show full device usage.
Check your battery usage and you will find most times the screen will take the top place. At this point, my phone places the screen as the number one battery killer with 72% usage.
Smartphone display technology is advancing much faster than battery tech, which makes battery life an even bigger issue to tackle in years to come. Until things get better, though, you will have to conserve energy.

How to fix it

The display is your main battery killer, and there are multiple ways to slow down the battery drainage. Here are some of them.
  • Lower screen brightness: Dimming your screen brightness will help you save battery significantly.
  • Use adaptive brightness: This will ensure you get a bright screen when you need it, but you also save battery when high brightness isn’t necessary.
  • Reduce screen refresh rates: Some devices sport screens with higher refresh rates, and often you can customize this in the settings.
  • Reduce auto-lock times: By reducing auto-lock times, you ensure your screen isn’t on just waiting to possibly be used.
  • Ditch live wallpapers: They may look nice, but your phone is essentially playing a video at all times, and that kills the battery.
  • Use a black wallpaper?: If you have an AMOLED display, using a black wallpaper is the most power-efficient because the display doesn’t have to activate those pixels.

2. Spotty service

Credit - gsmarena.com
Areas with bad cellphone reception are silent battery killers, which is even more annoying than not being able to watch the latest cat videos. Your cellphone is constantly communicating with nearby towers, trying to keep you connected every second of the day. When it can’t, it will work extra hard to reach the network and get you back on the grid.
If you live in a rural area, work in a massive building, or often find yourself in areas with spotty service, chances are your phone will die faster than normal. The trick is fixing the issue.

How to fix it

  • Switch carrier?: Carrier reliability varies by area, city, and neighborhood. Do some research and find out which carrier works best in your areas of interest and look into switching. 
  • Airplane mode: Airplane mode can force your antennas to take a break. Turn off all connectivity and your phone won’t be working hard to stay connected. You can do this strategically when you are in places you know have bad service. 
  • Network extenders: Carriers often offer network extenders or signal boosters. Consider getting one if you know you are in a place with spotty service for long periods of time. You could have one at home or work to make sure signal is strong where you spend most of your time.

3. Apps and background services


Keep your apps in check if your phone’s battery is dying fast. Certain apps drain more battery than others. The obvious ones are YouTube, Netflix, and any streaming services. You might also want to avoid playing games if you want to save energy, as those happen to be huge battery hogs, especially if you are fond of titles with high-end graphics.
Plenty of apps kill your battery without active usage. Apps like Facebook, Messenger, Instagram, and WhatsApp are common ones. Communication services like these try to keep you in touch and updated all the time. This means the apps are constantly operating in the background, using data, pulling your location, sending you notifications, and more. Not to mention the fact that we tend to spend a lot of time using said apps, whether you are endlessly checking your feed or messaging friends and family.

How to fix it

  • Keep app downloads minimal:Applications are always working in the background and wasting battery. Why even have them? Go on a cleaning spree and delete apps you know you don’t need.
  • Stop apps from working in the background: If you notice an app is taking too much of your precious juice, you can limit its background. Simply go to Settings > Apps & notifications > Select the app > Advanced > Battery > Background restriction > Restrict. Just realize you will lose some features and functionality, as the app will be sleeping when not in use.
  • Close apps?: While it is true Android devices are made to multi-task and closing apps can hurt more than it helps, there are times when closing apps is your best bet. Applications can go rogue, misbehave, or fail, in which case they often start draining your battery unnecessarily. It is a good idea to close or kill the app when this happens, just to give it a fresh reset. Go to Settings > Apps & notifications > Select the app > Force stop.
  • Be mindful of your usage: Sometimes we say we want better battery life, but find ourselves playing games, watching movies, and spending hours in social networks. Then we wonder why the phone dies before you get home! Be mindful of the apps you use and for how long you use them.

4. Other battery problems and tips

Credit - techgearz.com
  • GPS, Wi-Fi, and Bluetooth: How often do you use these antennas? I know I leave them on at all times, but very seldom do I put them to work. GPS, Wi-Fi, and Bluetooth are using battery, even if a little. Turn them off when you don’t need them and you will notice a boost in battery life.
  • Camera: Taking photos and videos requires ample amounts of energy. Avoid doing it so often and your phone will live longer.
  • Feeling cold?: Lower temperatures affect battery life significantly. A good solution is to keep the phone close to you so that body temperature keeps it toasty.
  • Stay up-to-date: Software updates often come with battery life improvements, so it’s a good idea to always update your phone to the latest available software version.
  • Get a portable charger: A good battery pack will keep your phone alive longer without keeping you tethered to a wall. Here is a list of our favorite portable battery chargers.

Keep in mind this is not a post with battery-saving tips . Today we are focusing on major smartphone killers and finding solutions to why your phone’s battery is draining or dying so fast. For some of us, keeping the screen in check might be enough to get through the day on a single charge! What do you do to keep your smartphone alive?

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